150mm Large Aperture: Equipped with a 50mm large objective lens, the lens is fully coated with a high transmission coating. High transmission optical lenses can improve light transmittance and reduce light reflection. 2Larger Aperture: The wider the aperture of the kids astronomical telescope, the larger the field of view, so you can see sharper and brighter images. Portable design, easy to carry. 3Multipurpose: Our telescopes are specially designed for starry sky viewing, bird watching, hiking, wildlife viewing, mountain climbing, travel, city viewing. 4Great Gift: Our astronomical telescope is the perfect gift for kids and astronomy beginners for Christmas, Birthdays, Children's Day and Graduation. 5Applicable: Professional astronomical telescope can help adults and children aged 7?12 to observe planets and star more easily. Help us build our interest in astronomy and science, enjoy nature, get closer to the world.